EXFO FTB-5800 Chromatic Dispersion Analyzer for FTB-400 - Manual (Page 84)

Troubleshooting
78 FTB-5800
Solving Common Problems
Warning Consequences Recommended Solution
Source power is low. Some points will be
grayed out on the graph.
³
Check if you have the right
input port.
³
Check if the fiber link is
damaged.
³
Check for irregularities in the
fiber.
³
Use the intensity meter to
check the source’s signal.
³
Make sure your fiber link is not
too long.
The power of the source
is too high.
Some points will be
grayed out on the graph.
³
Use the intensity meter to
check the source signal.
³
Check for irregularities in the
fiber.
Module temperature is
very high.
The accuracy of your
measurements can be
affected.
Use the system within the
recommended operation
temperature.
a
a. See Technical Specifications on page 87.
Module temperature is
very low.
The accuracy of your
measurements can be
affected.
Use the system within the
recommended operation
temperature.
a